#include <stdio.h>
typedef unsigned char *byte_pointer;
void show_bytes(byte_pointer start,size_t len){
        size_t i;
        for(i=0;i<len;i++)
                printf("%.2x",start[i]);
        printf("\n");
}

void show_int(int x){
        show_bytes((byte_pointer) &x,sizeof(int));
}

void show_float(float x){
        show_bytes((byte_pointer) &x,sizeof(float));
}

void show_pointer(void *x){
        show_bytes((byte_pointer) &x,sizeof(void *));
}


void main(int val){
int ival=12345;
float fval=(float)ival;
int *pval=&ival;
short x=12345;
short mx=-x;
char c;
show_bytes((byte_pointer) &x,sizeof(short));
show_bytes((byte_pointer) &mx,sizeof(short));
show_int(ival);
show_float(fval);
show_pointer(pval);
if(c==ox12)
printf("此电脑为大端法");
if(c==ox45)
printf("此电脑为小端法");

}



        
